Penstemon richardsonii
PNW
BC
ID
OR
WA
435 specimens from 23 herbaria:
British Columbia (42)
Idaho (3)
Oregon (193)
Washington (197)
98 images from 18 herbaria:
CIC (3)
CIC-PYNF (2)
EWU (10)
HPSU (6)
ID (20)
IDS (9)
NOCA (2)
PLU (6)
PNNL (5)
PSM (2)
REED (4)
RM (1)
SOC (2)
SRP (4)
UBC (1)
WCW (5)
WTU (10)
WWB (6)